74513311 has 2 divisors, whose sum is σ = 74513312. Its totient is φ = 74513310.

The previous prime is 74513303. The next prime is 74513317. The reversal of 74513311 is 11331547.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74513311 - 2³ = 74513303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74513317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37256655 + 37256656.

It is an arithmetic number, because the mean of its divisors is an integer number (37256656).

Almost surely, 2^74513311 is an apocalyptic number.

74513311 is a deficient number, since it is larger than the sum of its proper divisors (1).

74513311 is an equidigital number, since it uses as much as digits as its factorization.

74513311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 25.

The square root of 74513311 is about 8632.1093019030. The cubic root of 74513311 is about 420.8021536964.

Adding to 74513311 its reverse (11331547), we get a palindrome (85844858).

The spelling of 74513311 in words is "seventy-four million, five hundred thirteen thousand, three hundred eleven".